|
120
|
1 //===- llvm/unittest/Support/NativeFormatTests.cpp - formatting tests -----===//
|
|
|
2 //
|
|
|
3 // The LLVM Compiler Infrastructure
|
|
|
4 //
|
|
|
5 // This file is distributed under the University of Illinois Open Source
|
|
|
6 // License. See LICENSE.TXT for details.
|
|
|
7 //
|
|
|
8 //===----------------------------------------------------------------------===//
|
|
|
9
|
|
|
10 #include "llvm/ADT/SmallString.h"
|
|
|
11 #include "llvm/Support/NativeFormatting.h"
|
|
|
12 #include "llvm/Support/raw_ostream.h"
|
|
|
13 #include "gtest/gtest.h"
|
|
|
14
|
|
|
15 #include <type_traits>
|
|
|
16
|
|
|
17 using namespace llvm;
|
|
|
18
|
|
|
19 namespace {
|
|
|
20
|
|
|
21 template <typename T> std::string format_number(T N, IntegerStyle Style) {
|
|
|
22 std::string S;
|
|
|
23 llvm::raw_string_ostream Str(S);
|
|
|
24 write_integer(Str, N, 0, Style);
|
|
|
25 Str.flush();
|
|
|
26 return S;
|
|
|
27 }
|
|
|
28
|
|
|
29 std::string format_number(uint64_t N, HexPrintStyle Style,
|
|
|
30 Optional<size_t> Width = None) {
|
|
|
31 std::string S;
|
|
|
32 llvm::raw_string_ostream Str(S);
|
|
|
33 write_hex(Str, N, Style, Width);
|
|
|
34 Str.flush();
|
|
|
35 return S;
|
|
|
36 }
|
|
|
37
|
|
|
38 std::string format_number(double D, FloatStyle Style,
|
|
|
39 Optional<size_t> Precision = None) {
|
|
|
40 std::string S;
|
|
|
41 llvm::raw_string_ostream Str(S);
|
|
|
42 write_double(Str, D, Style, Precision);
|
|
|
43 Str.flush();
|
|
|
44 return S;
|
|
|
45 }
|
|
|
46
|
|
|
47 // Test basic number formatting with various styles and default width and
|
|
|
48 // precision.
|
|
|
49 TEST(NativeFormatTest, BasicIntegerTests) {
|
|
|
50 // Simple integers with no decimal.
|
|
|
51 EXPECT_EQ("0", format_number(0, IntegerStyle::Integer));
|
|
|
52 EXPECT_EQ("2425", format_number(2425, IntegerStyle::Integer));
|
|
|
53 EXPECT_EQ("-2425", format_number(-2425, IntegerStyle::Integer));
|
|
|
54
|
|
|
55 EXPECT_EQ("0", format_number(0LL, IntegerStyle::Integer));
|
|
|
56 EXPECT_EQ("257257257235709",
|
|
|
57 format_number(257257257235709LL, IntegerStyle::Integer));
|
|
|
58 EXPECT_EQ("-257257257235709",
|
|
|
59 format_number(-257257257235709LL, IntegerStyle::Integer));
|
|
|
60
|
|
|
61 // Number formatting.
|
|
|
62 EXPECT_EQ("0", format_number(0, IntegerStyle::Number));
|
|
|
63 EXPECT_EQ("2,425", format_number(2425, IntegerStyle::Number));
|
|
|
64 EXPECT_EQ("-2,425", format_number(-2425, IntegerStyle::Number));
|
|
|
65 EXPECT_EQ("257,257,257,235,709",
|
|
|
66 format_number(257257257235709LL, IntegerStyle::Number));
|
|
|
67 EXPECT_EQ("-257,257,257,235,709",
|
|
|
68 format_number(-257257257235709LL, IntegerStyle::Number));
|
|
|
69
|
|
|
70 // Hex formatting.
|
|
|
71 // lower case, prefix.
|
|
|
72 EXPECT_EQ("0x0", format_number(0, HexPrintStyle::PrefixLower));
|
|
|
73 EXPECT_EQ("0xbeef", format_number(0xbeefLL, HexPrintStyle::PrefixLower));
|
|
|
74 EXPECT_EQ("0xdeadbeef",
|
|
|
75 format_number(0xdeadbeefLL, HexPrintStyle::PrefixLower));
|
|
|
76
|
|
|
77 // upper-case, prefix.
|
|
|
78 EXPECT_EQ("0x0", format_number(0, HexPrintStyle::PrefixUpper));
|
|
|
79 EXPECT_EQ("0xBEEF", format_number(0xbeefLL, HexPrintStyle::PrefixUpper));
|
|
|
80 EXPECT_EQ("0xDEADBEEF",
|
|
|
81 format_number(0xdeadbeefLL, HexPrintStyle::PrefixUpper));
|
|
|
82
|
|
|
83 // lower-case, no prefix
|
|
|
84 EXPECT_EQ("0", format_number(0, HexPrintStyle::Lower));
|
|
|
85 EXPECT_EQ("beef", format_number(0xbeefLL, HexPrintStyle::Lower));
|
|
|
86 EXPECT_EQ("deadbeef", format_number(0xdeadbeefLL, HexPrintStyle::Lower));
|
|
|
87
|
|
|
88 // upper-case, no prefix.
|
|
|
89 EXPECT_EQ("0", format_number(0, HexPrintStyle::Upper));
|
|
|
90 EXPECT_EQ("BEEF", format_number(0xbeef, HexPrintStyle::Upper));
|
|
|
91 EXPECT_EQ("DEADBEEF", format_number(0xdeadbeef, HexPrintStyle::Upper));
|
|
|
92 }
|
|
|
93
|
|
|
94 // Test basic floating point formatting with various styles and default width
|
|
|
95 // and precision.
|
|
|
96 TEST(NativeFormatTest, BasicFloatingPointTests) {
|
|
|
97 // Double
|
|
|
98 EXPECT_EQ("0.000000e+00", format_number(0.0, FloatStyle::Exponent));
|
|
|
99 EXPECT_EQ("-0.000000e+00", format_number(-0.0, FloatStyle::Exponent));
|
|
|
100 EXPECT_EQ("1.100000e+00", format_number(1.1, FloatStyle::Exponent));
|
|
|
101 EXPECT_EQ("1.100000E+00", format_number(1.1, FloatStyle::ExponentUpper));
|
|
|
102
|
|
|
103 // Default precision is 2 for floating points.
|
|
|
104 EXPECT_EQ("1.10", format_number(1.1, FloatStyle::Fixed));
|
|
|
105 EXPECT_EQ("1.34", format_number(1.34, FloatStyle::Fixed));
|
|
|
106 EXPECT_EQ("1.34", format_number(1.344, FloatStyle::Fixed));
|
|
|
107 EXPECT_EQ("1.35", format_number(1.346, FloatStyle::Fixed));
|
|
|
108 }
|
|
|
109
|
|
|
110 // Test common boundary cases and min/max conditions.
|
|
|
111 TEST(NativeFormatTest, BoundaryTests) {
|
|
|
112 // Min and max.
|
|
|
113 EXPECT_EQ("18446744073709551615",
|
|
|
114 format_number(UINT64_MAX, IntegerStyle::Integer));
|
|
|
115
|
|
|
116 EXPECT_EQ("9223372036854775807",
|
|
|
117 format_number(INT64_MAX, IntegerStyle::Integer));
|
|
|
118 EXPECT_EQ("-9223372036854775808",
|
|
|
119 format_number(INT64_MIN, IntegerStyle::Integer));
|
|
|
120
|
|
|
121 EXPECT_EQ("4294967295", format_number(UINT32_MAX, IntegerStyle::Integer));
|
|
|
122 EXPECT_EQ("2147483647", format_number(INT32_MAX, IntegerStyle::Integer));
|
|
|
123 EXPECT_EQ("-2147483648", format_number(INT32_MIN, IntegerStyle::Integer));
|
|
|
124
|
|
|
125 EXPECT_EQ("nan", format_number(std::numeric_limits<double>::quiet_NaN(),
|
|
|
126 FloatStyle::Fixed));
|
|
|
127 EXPECT_EQ("INF", format_number(std::numeric_limits<double>::infinity(),
|
|
|
128 FloatStyle::Fixed));
|
|
|
129 }
|
|
|
130
|
|
|
131 TEST(NativeFormatTest, HexTests) {
|
|
|
132 // Test hex formatting with different widths and precisions.
|
|
|
133
|
|
|
134 // Width less than the value should print the full value anyway.
|
|
|
135 EXPECT_EQ("0x0", format_number(0, HexPrintStyle::PrefixLower, 0));
|
|
|
136 EXPECT_EQ("0xabcde", format_number(0xABCDE, HexPrintStyle::PrefixLower, 3));
|
|
|
137
|
|
|
138 // Precision greater than the value should pad with 0s.
|
|
|
139 // TODO: The prefix should not be counted in the precision. But unfortunately
|
|
|
140 // it is and we have to live with it unless we fix all existing users of
|
|
|
141 // prefixed hex formatting.
|
|
|
142 EXPECT_EQ("0x000", format_number(0, HexPrintStyle::PrefixLower, 5));
|
|
|
143 EXPECT_EQ("0x0abcde", format_number(0xABCDE, HexPrintStyle::PrefixLower, 8));
|
|
|
144
|
|
|
145 EXPECT_EQ("00000", format_number(0, HexPrintStyle::Lower, 5));
|
|
|
146 EXPECT_EQ("000abcde", format_number(0xABCDE, HexPrintStyle::Lower, 8));
|
|
|
147
|
|
|
148 // Try printing more digits than can fit in a uint64.
|
|
|
149 EXPECT_EQ("0x00000000000000abcde",
|
|
|
150 format_number(0xABCDE, HexPrintStyle::PrefixLower, 21));
|
|
|
151 }
|
|
|
152
|
|
|
153 TEST(NativeFormatTest, IntegerTests) {
|
|
|
154 EXPECT_EQ("-10", format_number(-10, IntegerStyle::Integer));
|
|
|
155 EXPECT_EQ("-100", format_number(-100, IntegerStyle::Integer));
|
|
|
156 EXPECT_EQ("-1000", format_number(-1000, IntegerStyle::Integer));
|
|
|
157 EXPECT_EQ("-1234567890", format_number(-1234567890, IntegerStyle::Integer));
|
|
|
158 EXPECT_EQ("10", format_number(10, IntegerStyle::Integer));
|
|
|
159 EXPECT_EQ("100", format_number(100, IntegerStyle::Integer));
|
|
|
160 EXPECT_EQ("1000", format_number(1000, IntegerStyle::Integer));
|
|
|
161 EXPECT_EQ("1234567890", format_number(1234567890, IntegerStyle::Integer));
|
|
|
162 }
|
|
|
163
|
|
|
164 TEST(NativeFormatTest, CommaTests) {
|
|
|
165 EXPECT_EQ("0", format_number(0, IntegerStyle::Number));
|
|
|
166 EXPECT_EQ("10", format_number(10, IntegerStyle::Number));
|
|
|
167 EXPECT_EQ("100", format_number(100, IntegerStyle::Number));
|
|
|
168 EXPECT_EQ("1,000", format_number(1000, IntegerStyle::Number));
|
|
|
169 EXPECT_EQ("1,234,567,890", format_number(1234567890, IntegerStyle::Number));
|
|
|
170
|
|
|
171 EXPECT_EQ("-10", format_number(-10, IntegerStyle::Number));
|
|
|
172 EXPECT_EQ("-100", format_number(-100, IntegerStyle::Number));
|
|
|
173 EXPECT_EQ("-1,000", format_number(-1000, IntegerStyle::Number));
|
|
|
174 EXPECT_EQ("-1,234,567,890", format_number(-1234567890, IntegerStyle::Number));
|
|
|
175 }
|
|
|
176 }
|
